Always free
Released designs
Click any design for documentation and the download link. Every release is free to use — kits are a convenience, never a requirement.
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SL-15
The flagship 3D printed AR-15 lower receiver.
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SL-9
A fully featured AR-9 lower, Glock-magazine compatible.
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SL-308
A 3D printed LR-308 lower receiver.
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ORCA-15
A mostly 3D printed AR-15 platform.
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SL-15-DR
The double-rib AR-15 lower variant.
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Super Safety
A 3D printed active-reset safety.
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Stock System
A modular, mostly 3D printed stock system.
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Grip System
A 3D printed grip system.
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HCC
The Hose Clamp Cover accessory design.
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